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%\documentclass{aastex}
%\begin{document}

\begin{deluxetable}{lcc} 
\tablecolumns{14} 
\tablewidth{0pc}
\tablecaption{Basic Parameters \label{tab:basics}}
\tablehead{
  \colhead{} &
  \colhead{Blue Side} & 
  \colhead{Red Side}}
\startdata                 
focal ratio (effective)& F/3.9 
                       & F/3.6            \\ 
scale at CCD           & 8.2 pix/$''$ ($0.12''/$pix)      
                       & 7.5 pix/$''$ ($0.13''/$pix)      \\
$\Delta \lambda$/pixel (unbinned)   & $\sim 0.02$\AA
                       & $\sim 0.05$\AA      \\
detector               & $2048\times4096$ (15$\mu$m pixels)  
                       & $2048\times4096$ (15$\mu$m pixels)  \\
gain                   & 0.47 e-/DN    
                       & 1.0 e-/DN        \\
read noise             & 2 e-/pix 
                       & 3.5e-/pix        \\
dark current           & 5 DN/pix/hr
                       & 2 DN/pix/hr      \\
Wavelength range       & 3200--5000\AA 
                       & 4900--10,000\AA  \\
Resolution (FWHM; $0.35''$ slit) & 83,000 
                       & 65,000           \\
Resolution (FWHM; $1.0''$ slit) & 28,000
                       & 22,000           \\
Echelle grating        & R2.4
                       & R2                \\
Prism (cross disperser)& Fused Silica, 38deg (2 prisms) 
                       & PBM2, 47deg (1 prism) \\
\enddata 
%\tablecomments{{\bf 1:} The grating position and wavelength ranges for
%  the standard setup are given in \S.}%\ref{xx}
\label{tab:basic.params}
\end{deluxetable} 

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%\end{document}

